1669580382 has 16 divisors (see below), whose sum is σ = 3351218832. Its totient is φ = 554517120.

The previous prime is 1669580371. The next prime is 1669580383. The reversal of 1669580382 is 2830859661.

It is a happy number.

1669580382 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669580383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500619 + ... + 503942.

It is an arithmetic number, because the mean of its divisors is an integer number (209451177).

Almost surely, 2^1669580382 is an apocalyptic number.

1669580382 is an abundant number, since it is smaller than the sum of its proper divisors (1681638450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1669580382 is a wasteful number, since it uses less digits than its factorization.

1669580382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004843.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1669580382 is about 40860.4990424738. The cubic root of 1669580382 is about 1186.3216175635.

The spelling of 1669580382 in words is "one billion, six hundred sixty-nine million, five hundred eighty thousand, three hundred eighty-two".